Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory; arsenic speciation in natural-water samples using laboratory and field methods

Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory; in-bottle acid digestion of whole-water samples

Open-File Report ◽

10.3133/ofr96225 ◽

1996 ◽

Cited By ~ 5

Author(s):

G.L. Hoffman ◽

M. J. Fishman ◽

J.R. Garbarino

Keyword(s):

Water Quality ◽

Water Samples ◽

Geological Survey ◽

Acid Digestion ◽

Methods Of Analysis ◽

The U.S ◽

Whole Water ◽

National Water

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Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory; determination of triazine and other nitrogen-containing compounds by gas chromatography with nitrogen phosphorus detectors

Open-File Report ◽

10.3133/ofr9437 ◽

1994 ◽

Author(s):

D.J. Markovchick ◽

J.A. Lewis ◽

R.W. Brenton ◽

J.L. Iverson ◽

H.L. Wharry

Keyword(s):

Water Quality ◽

Gas Chromatography ◽

Geological Survey ◽

Methods Of Analysis ◽

Laboratory Determination ◽

Nitrogen Containing Compounds ◽

Nitrogen Phosphorus ◽

The U.S ◽

National Water

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Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory; preparation procedure for aquatic biological material determined for trace metals

Open-File Report ◽

10.3133/ofr96362 ◽

1996 ◽

Cited By ~ 4

Author(s):

Gerald L. Hoffman

Keyword(s):

Water Quality ◽

Trace Metals ◽

Biological Material ◽

Geological Survey ◽

Preparation Procedure ◽

Methods Of Analysis ◽

The U.S ◽

National Water

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Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory; determination of the total phosphorus by a Kjeldahl digestion method and an automated colorimetric finish that includes dialysis

Open-File Report ◽

10.3133/ofr92146 ◽

1992 ◽

Cited By ~ 11

Author(s):

Charles J. Patton ◽

Earl P. Truitt

Keyword(s):

Water Quality ◽

Total Phosphorus ◽

Geological Survey ◽

Digestion Method ◽

Methods Of Analysis ◽

Laboratory Determination ◽

Kjeldahl Digestion ◽

The U.S ◽

National Water

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Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory; determination of antimony by automated-hydride atomic absorption spectrophotometry

Open-File Report ◽

10.3133/ofr93664 ◽

1994 ◽

Author(s):

G.E. Brown ◽

B.J. McLain

Keyword(s):

Water Quality ◽

Atomic Absorption ◽

Atomic Absorption Spectrophotometry ◽

Geological Survey ◽

Absorption Spectrophotometry ◽

Methods Of Analysis ◽

Laboratory Determination ◽

The U.S ◽

National Water

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Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory; Processing, taxonomy, and quality control of benthic macroinvertebrate samples

Open-File Report ◽

10.3133/ofr00212 ◽

2000 ◽

Cited By ~ 48

Author(s):

Stephen R. Moulton ◽

James L. Carter ◽

Scott A. Grotheer ◽

Thomas F. Cuffney ◽

Terry M. Short

Keyword(s):

Water Quality ◽

Quality Control ◽

Geological Survey ◽

Benthic Macroinvertebrate ◽

Methods Of Analysis ◽

The U.S ◽

National Water

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Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory; comparison of a nitric acid in-bottle digestion procedure to other whole-water digestion procedures

Open-File Report ◽

10.3133/ofr9994 ◽

1999 ◽

Cited By ~ 4

Author(s):

John R. Garbarino ◽

Gerald L. Hoffman

Keyword(s):

Water Quality ◽

Nitric Acid ◽

Geological Survey ◽

Digestion Procedure ◽

Methods Of Analysis ◽

The U.S ◽

Whole Water ◽

National Water

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Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory; a method supplement for the determination of Fipronil and degradates in water by gas chromatography/mass spectrometry

Open-File Report ◽

10.3133/ofr02462 ◽

2002 ◽

Cited By ~ 2

Author(s):

James F. Madsen ◽

Mark W. Sandstrom ◽

Steven D. Zaugg

Keyword(s):

Mass Spectrometry ◽

Water Quality ◽

Gas Chromatography ◽

Geological Survey ◽

Gas Chromatography Mass Spectrometry ◽

Chromatography Mass Spectrometry ◽

Methods Of Analysis ◽

The U.S ◽

National Water

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Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory; determination of inorganic and organic constituents in water and fluvial sediments

Open-File Report ◽

10.3133/ofr93125 ◽

1993 ◽

Cited By ~ 91

Keyword(s):

Water Quality ◽

Geological Survey ◽

Fluvial Sediments ◽

Organic Constituents ◽

Methods Of Analysis ◽

Laboratory Determination ◽

The U.S ◽

National Water ◽

Inorganic And Organic

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Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory; determination of methylene blue active substances by spectrophotometry

Open-File Report ◽

10.3133/ofr95189 ◽

1995 ◽

Cited By ~ 1

Author(s):

Mark R. Burkhardt ◽

Pete J. Cinotto ◽

Galen W. Frahm ◽

Mark T. Woodworth ◽

Jeffrey W. Pritt

Keyword(s):

Water Quality ◽

Methylene Blue ◽

Geological Survey ◽

Methods Of Analysis ◽

Laboratory Determination ◽

Active Substances ◽

The U.S ◽

National Water

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